Seroval: Deserialization invokes attacker-chosen callables: AsyncIteratorFactoryInstance calls source.on(listener) wi...
High-risk advisory
CVE-2026-116580
Summary
Seroval: Deserialization invokes attacker-chosen callables: AsyncIteratorFactoryInstance calls source.on(listener) without type check
Why it matters
GitHub has published a reviewed security advisory for seroval. Prioritize it with other application dependency updates, especially because EPSS places it in the 28% percentile.
Operator check
Check whether seroval is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.3%; percentile: 28%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.